Virgil - Names for Boys

Virgil is a name with strong historical significance. It hasn't been very popular since the early 1900s, but that doesn't mean it's not ready for a comeback. And honestly, what baby boy wouldn't want to share a name with a microbrewed root beer company AND an ancient Roman poet?
What does Virgil mean?
Where did the name Virgil originate?
Who are some famous people named Virgil?
What are some nicknames for Virgil?